Home / 379,948,096.28-569,179,898.30-261,751,987.40

Finding the Fourth Proportional to 379,948,096.28, 569,179,898.30 and 261,751,987.40

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Solution

The fourth proportional to 379,948,096.28, 569,179,898.30 and 261,751,987.40 is: 392,116,636.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,948,096.28 : 569,179,898.30 = 261,751,987.40 : x
  2. Step 2: Convert to fraction form
    379,948,096.28/569,179,898.30 = 261,751,987.40/x
  3. Step 3: Cross multiply
    379,948,096.28x = 569,179,898.30 × 261,751,987.40
  4. Step 4: Simplify right side
    379,948,096.28x = 148,983,969,568,154,880
  5. Step 5: Solve for x
    x = 148,983,969,568,154,880/379,948,096.28
  6. Step 6: Final answer
    x = 392,116,636.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.